soggybag

import UIKit
import MessageUI // Import MessageUI

// Add the delegate protocol
class ViewController: UIViewController, MFMessageComposeViewControllerDelegate {
    
    // Send a message 
    func sendMessage() {
        let messageVC = MFMessageComposeViewController()
        messageVC.body = "Message String"

soggybag

import UIKit
import MessageUI

class ViewController: UIViewController, MFMailComposeViewControllerDelegate {
    
    func sendEmail() {
        let mailVC = MFMailComposeViewController()
        mailVC.mailComposeDelegate = self
        mailVC.setToRecipients([])

soggybag

extension String {
    func stringToAttributedString() -> NSAttributedString {
        var html = self
        while let range = html.rangeOfString("\n") {
            html.replaceRange(range, with: "</br>")
        }
        
        html = "<span style='font-family: Helvetica; font-size:14pt'>"+html+"</span>"
        let data = html.dataUsingEncoding(NSUnicodeStringEncoding, allowLossyConversion: true)
        let attrStr = try! NSAttributedString(data: data!, options: [NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType], documentAttributes: nil)

soggybag

extension Array {
    subscript (safe index: Int) -> Element? {
        return indices ~= index ? self[index] : nil
    }
}

// array[safe: index] 

soggybag

import UIKit

extension UIViewController {
    
    func animateThing(thing: UIView, offsetX: CGFloat, offsetY: CGFloat, alpha: CGFloat, time: NSTimeInterval, delay: NSTimeInterval) {
        let targetY = thing.center.y
        let targetX = thing.center.x
        let targetAlpha = thing.alpha
        
        thing.center.y = thing.center.y - offsetY

soggybag

// Create a color 
var myColor = TagColor.Red
// or, set a var to type TagColor
var aColor: TagColor
// Assign a TagColor
aColor = TagColor.Blue
// Alternately use the shorthand form
aColor = .Blue

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enum TagColor {
    case Red, Orange, Yellow, Green, Blue, Purple
    
    func toUIColor() -> UIColor {
        switch self {
        case .Red:
            return UIColor(red: 179, green: 47, blue: 60, alpha: 1)
        case .Orange:
            return UIColor(red: 248, green: 148, blue: 29, alpha: 1)
        case .Yellow:

soggybag

import UIKit

class ViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {

    // Must be declared here!
    var picker = UIImagePickerController()
    
    
    // IBOutlets
    

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let formatter = NSNumberFormatter()
formatter.numberStyle = NSNumberFormatterStyle.CurrencyStyle
let costString = formatter.stringFromNumber(cost)

soggybag

// Currency style 
let formatter = NSNumberFormatter()
formatter.numberStyle = NSNumberFormatterStyle.CurrencyStyle
let costString = formatter.stringFromNumber(23.99)

// Round to nearest whole number 
let wholeNumberformatter = NSNumberFormatter()
let wholeNumber = wholeNumberformatter.stringFromNumber(3.145)

// Round to nearest whole number